The Honda 90455-ZG3-880 Special Gasket (7MM) is a genuine OEM component designed for GD320 and GD410 horizontal shaft diesel engines. As a direct Honda OEM part, it is manufactured to the same specification as the original, ensuring the correct dimensions and material grade for a proper seal. Confirm your engine's serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks and this listing covers specific production ranges of both diesel models.
Key Features
- Genuine Honda OEM Sealing — manufactured to Honda's specification for the 7MM seating surface, so the gasket delivers the clamping retention and leak-free seal the original design requires
- Direct OEM Replacement — sourced directly from Honda and engineered to install in place of the original with no adjustment needed
- Diesel Engine Application — designed specifically for GD320 and GD410 horizontal shaft diesel engines, which operate under the higher compression and combustion pressures that diesel sealing demands
- Serial Number Verification Recommended — Honda updates part supersessions at production breaks, so match your engine's serial number to the fitment table to confirm this is the correct gasket for your unit
A special gasket of this type creates a sealed joint between mating surfaces in the engine, preventing fluid or gas leakage at that interface. In a diesel engine, maintaining that seal is critical because diesel combustion pressures are substantially higher than those in a petrol engine, and even minor seepage can lead to fluid loss, contamination, or loss of pressure. When a gasket of this size wears, distorts, or fails, the result is typically a visible leak or a drop in system performance that worsens over time if left unaddressed.
Part Details
| Part Number | 90455-ZG3-880 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Special Gasket (7MM) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Diesel Engine | GD410 | 1011688-9999999 |
| Horizontal Shaft Diesel Engine | GD320 | All |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.